Description
The Sharps Bros Heatseeker SBC04 is one of the easier ways to drag a factory Savage 110 into the modern world. It swaps out that basic factory stock for a billet aluminum chassis that free-floats the barrel, feeds from detachable magazines, and lets you bolt on whatever grip and stock you already like. The whole chassis body runs right around 1 pound 3 ounces, and the included 14-inch handguard adds only about 10 ounces, so you end up with a rig that stays light in the hands whether you are packing it up a ridge or setting up behind a bipod.
What the Heatseeker SBC04 Fits
This version is cut specifically for the Savage 110 short action and covers the popular .308-based family: .308 Winchester, 6.5 Creedmoor, 7mm-08, .260 Remington, .243 Winchester, and the rest. It is built for the third-generation center-feed short actions with 4.40-inch action screw spacing (H-prefix and later, roughly 2006 production onward), so it pays to check your action before ordering. Installation is a drop-in job. You set the barreled action in, torque the screws to spec, and you are done, no milling or gunsmith trip required. Feeding runs off AICS-pattern short action magazines from Magpul and Accuracy International.
Building Out Your Heatseeker
The chassis and handguard are both machined from high-strength 6061-T6 billet aluminum and wear a matte black Cerakote finish that holds up to real field use. The handguard carries M-LOK slots on all four sides for bipods, lights, ARCA rails, or a night vision setup, plus two QD sling cups per side. Where the Heatseeker gets clever is the stock interface: the buffer tube axis sits in line with the bore, so a standard AR-15 buffer tube and stock drops on without needing a tall cheek riser. It takes any AR-15 pistol grip and AR buffer tube stock, which means you finish the build with parts you probably already have in a drawer.
Keep in mind the chassis ships as the chassis and handguard only. You supply the grip, buffer tube, and stock, so plan on a lightweight collapsible AR stock and your grip of choice to round it out.
Key Specifications
- Manufacturer: Sharps Bros
- Model: Heatseeker
- Manufacturer Part Number: SBC04
- UPC: 858585858581
- Fits: Savage 110 Short Action (center-feed, 4.40in action screw spacing, H-prefix and later, 2006+)
- Caliber Family: .308-based (.308 Win, 6.5 Creedmoor, 7mm-08, .260 Rem, .243 Win, and others)
- Material: Billet 6061-T6 Aluminum
- Finish: Matte Black Cerakote
- Chassis Weight: 1 lb 3 oz
- Handguard Length: 14 inches
- Handguard Weight: 10 oz
- Handguard Attachment: M-LOK on all 4 sides
- Sling Mounts: Two QD fittings per side
- Grip Interface: AR-15
- Stock Interface: AR-15 Buffer Tube
- Magazine Compatibility: AICS short action (Magpul, Accuracy International)
What’s Included
- Heatseeker SBC04 chassis body
- 14-inch M-LOK handguard
Frequently Asked Questions
Will the Heatseeker SBC04 fit my Savage 110?
It is built for third-generation Savage 110 short actions with center-feed magazine compatibility and 4.40-inch action screw spacing, which generally means H-prefix serials and later, roughly 2006 production onward. Before ordering, check your action's screw spacing and confirm it is a center-feed short action. It covers the common .308-based calibers like .308 Winchester and 6.5 Creedmoor.
Do I need a gunsmith to install the Heatseeker chassis?
No. This is a drop-in swap where you set the barreled action into the chassis and torque the action screws to spec. No milling, bedding, or gunsmithing is required, and most people have it done at the bench in a few minutes.
Does the SBC04 come with a grip and stock?
No, the chassis ships as the chassis body and 14-inch handguard only. You add your own AR-15 pistol grip and an AR-15 buffer tube with the stock of your choice. A lightweight collapsible AR stock pairs well and keeps the finished rifle nimble.
What magazines does the Heatseeker use?
It feeds from AICS-pattern short action magazines, including options from Magpul and Accuracy International. That opens up a wide range of proven detachable mags for range and field use.





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